基于DSP腦電信號采集系統(tǒng)的設計與信號去噪研究.pdf

1、上海大學碩士學位論文基于DSP腦電信號采集系統(tǒng)的設計與信號去噪研究姓名：奚正山申請學位級別：碩士專業(yè)：計算機應用技術指導教師：馬文麗20050201上海大學碩士學位論文AbstractTheelectronicsignalsofthebrainisoneoftheappealingresearchsubjectsinbiologicalresearchElectroencephalography(EEG)isanimportantinf

2、ormationinclinicaldiagnosisofthecentralnervessystem，assistinghealthprofessionalsanalyzingandmakingjudgmentonpatient’SdiseasestatusThecollectingandanalyzingprocesseshasstrictrequirements，ontheonehand，interferenceshouldbea

3、voidedasmuchaspossible，SOastocollecttheexactEEGsignals；ontheothertheanalyzingprocessesshouldbereliabletorestoreauthenticallythecollectedsignals，whichcallsforstrongfunctionsofsystemnoisedecreasingaswellsignalreconstructio

4、nThestudyonthenoisedeductionandsignalreconstructionoftheEEGadvancingrapidlyTheindependentcomponentanalysis(ICA)hasfoundwidespreadapplicationsinthefieldofbiomedicalresearchThebasicapproachofICAistofindseparationmatrixSOth

5、ateachcomponentoftheoutputsignalisindependentlyobtainedbytransformingtheobservedmultidimensionalmixtureofdata，Suchmethodthougheffective，theresearchontheidentificationfortheseparatedcomponentsisstilllackingTherearealsosom

6、einvestigationdemonstratedthatbiomedicalsignalsofdifferentsourcesmayhavevaryingHurstexponentdistributionCurrently，themechanismforEEGformationhasnotbeenfullyelucidated，Applyingimprovedmethodsofsignalcollecting，noisededuct

7、ingandsignalanalysisshouldhavegreatimplicationsonenhancingthediagnosisfimctionoftheEEGThisresearchhavetwopartPartonedealswiththeassemblyofsystemhardwareplatform，aswellasthedesignofthecorrespondingsoftware；Parttwoisforsys